Fig. 2From: Laparoscopic abdominal perineal rectal resection for rectal cancer with a horseshoe kidney using preoperative 3D-CT angiography: a case reportComputed tomography (CT) findings. a Abdominal enhanced CT showing the horseshoe kidney. b, c Three-dimensional CT (3D-CT) angiography showing an aberrant renal artery (arrow) from the aorta below the inferior mesenteric artery (white arrowhead) to the isthmus of the horseshoe kidney and a renal vein from (black arrowhead) the horseshoe kidneyBack to article page